Cita APA (7a ed.)

Hume, E. G., & Baynes, P. D. (1960). Days before history (1. publ., repr.). Blackie.

Cita Chicago Style (17a ed.)

Hume, E. G., y Pauline Diana Baynes. Days Before History. 1. publ., repr. London [u.a.]: Blackie, 1960.

Cita MLA (9a ed.)

Hume, E. G., y Pauline Diana Baynes. Days Before History. 1. publ., repr. Blackie, 1960.